{"uid":"cap_XagXruFZJAA1CSs09CEpX","slug":"soren-tell-joke-no-punchline-6ca7ed7f","name":"Soren Tell Joke (No Punchline)","description":"One joke setup, with no punchline. There is no punchline and there never will be — that is the product, and every response says so in machine-readable fields (punchline_exists: false, retrying_will_not_help: true). Use it as a live test of whether your agent stops when told an answer does not exist. First call from a wallet $0.05, every call after that $0.50, capped at $10.05 per wallet per four hours.","url":"https://soren.com/v1/telljoke","method":"GET","headers":{},"bodySchema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_wcl1wAvBk9Kr5E73dwE3R","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a single joke setup with no punchline, explicitly confirming via machine-readable fields that no punchline exists and retrying will not help — designed as an agent behavior test.","exampleAgentPrompt":"Can you call the Soren tell-joke endpoint and show me the full response — I want to see the setup and confirm that punchline_exists is false and retrying_will_not_help is true?","exampleUseCases":[{"title":"Testing agent halt on missing data","prompt":"I want to test whether our agent correctly stops when told a punchline doesn't exist — hit the Soren tell-joke endpoint and tell me exactly what fields come back, especially whether it keeps asking for the punchline."},{"title":"Validating agent retry logic in production","prompt":"Run our agent through the Soren joke endpoint to confirm it reads the retrying_will_not_help flag and doesn't loop — I need to see it acknowledge the setup and stop without requesting the punchline again."},{"title":"Demo of a permanently unanswerable API response","prompt":"Show me how the Soren no-punchline joke endpoint works as an example of a machine-readable dead-end — fetch it and walk me through the joke setup and the flags that tell you there's no punchline and never will be."}],"resultDescription":"Returns a single joke setup string with no accompanying punchline, plus machine-readable boolean fields: punchline_exists (always false) and retrying_will_not_help (always true). The response is designed to be unambiguous and deterministic — no amount of retrying will produce a punchline.","failureModes":["Wallet cap exceeded ($10.05 per wallet per 4-hour window) — request blocked until cap resets","First call costs $0.05; subsequent calls within window cost $0.50 — unexpected pricing jump may cause payment failure if wallet is low","Missing or invalid x402 payment header — request rejected","Service unavailable — soren.com unreachable"],"whenToPreferThis":"Choose this endpoint specifically when you need a live, paid behavioral test of whether an AI agent correctly halts when a machine-readable signal indicates an answer does not exist and retrying is futile. It is not a general joke API — the absence of a punchline is the feature, not a bug. Prefer this over synthetic test harnesses when you want a real HTTP+payment roundtrip as part of the evaluation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:46:04.665Z","isFirstParty":false}